Two-photon sensitized recording materials for multilayer optical disk

M. Akiba; E. Goto-Takahashi; H. Takizawa; T. Sasaki; H. Mochizuki; T. Mikami; T. Kitahara

doi:10.1117/12.855795

7 June 2010 Two-photon sensitized recording materials for multilayer optical disk

M. Akiba, E. Goto-Takahashi, H. Takizawa, T. Sasaki, H. Mochizuki, T. Mikami, T. Kitahara

Proceedings Volume 7730, Optical Data Storage 2010; 773018 (2010) https://doi.org/10.1117/12.855795
Event: Optical Data Storage 2010, 2010, Boulder, Colorado, United States

Abstract

Two types of novel two-photon sensitized recording material writable at 405 nm and 522nm were developed. The fluorescent dye generation type (F-type) material consists of at least two-photon absorption dye (TPAD) and fluorescent dye precursor (FDP), which is non-fluorescent before two-photon recording and fluorescent after two-photon recording due to fluorescent dye generation. The fluorescence quench type (Q-type) material, on the other hand, consists of at least TPAD, fluorescent dye (FD) and fluorescent quencher precursor (QP), which is fluorescent before two-photon recording and the fluorescence intensity is reduced after two-photon recording at the recorded spot due to fluorescent quencher generation. Both types of material showed quadratic dependency of recording light intensity at 522 and 405 nm. A twenty-layer two-photon recording media was fabricated with the Q-type material, and two-photon recording and onephoton fluorescent signal readout was successfully conducted.

Citation Download Citation

M. Akiba, E. Goto-Takahashi, H. Takizawa, T. Sasaki, H. Mochizuki, T. Mikami, and T. Kitahara "Two-photon sensitized recording materials for multilayer optical disk", Proc. SPIE 7730, Optical Data Storage 2010, 773018 (7 June 2010); https://doi.org/10.1117/12.855795

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